85621160 has 32 divisors (see below), whose sum is σ = 193776840. Its totient is φ = 34047744.

The previous prime is 85621153. The next prime is 85621171. The reversal of 85621160 is 6112658.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81613156 + 4008004 = 9034^2 + 2002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 13106.

Almost surely, 2^85621160 is an apocalyptic number.

It is an amenable number.

85621160 is an abundant number, since it is smaller than the sum of its proper divisors (108155680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85621160 is a wasteful number, since it uses less digits than its factorization.

85621160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 85621160 is about 9253.1702675353. The cubic root of 85621160 is about 440.7514020268.

The spelling of 85621160 in words is "eighty-five million, six hundred twenty-one thousand, one hundred sixty".